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Month: March 2011

Re: [trinity-devel] Building tqtinterface with cmake fails

From: Serghei Amelian <serghei@...>
Date: Mon, 7 Mar 2011 01:07:37 +0200
On Monday 07 March 2011 00:48:06 Darrell Anderson wrote:
> > Ah, you was so close :) "unset" command was introduced
> > beginning with 2.6.3
> > Is any way to update to cmake 2.6.3 or later? Current cmake
> > port is designed
> > for the future, i won't support ancient versions of cmake
> > (current is 2.8.4,
> > 2.6.2 was released in 2008).
> I will try, but I don't think that is right. :(
> Not to argue, but that is an awful definition of "ancient." :) You say
> 2.6.2 is from 2008? I will never define that as ancient.

Maybe now is not so "ancient", but will be in 2-3 years.

> That is one of the 
> problems with free/libre software. The train is always moving at break-neck
> speed with little or no backwards compatibility. :(

You right, but we must to moving with the trend... Otherwise we will remain 
behind again.

> Another argument for using older distros that remain supported by the
> distro maintainers is they tend to run better and have better support for
> older hardware. Older hardware is a target for Trinity users whereas KDE4
> is not.

Actually our intention is to offer a (better) alternative to other desktop 
environments, not only as a "poor" alternative to KDE4.

> I'm trying to build packages on Slackware 12.2, a known good foundation
> that I built packages last autumn. I intend to start trying to build on
> subsequent Slackware releases, but first I want to build a handful of
> packages in a known good environment to test cmake and the many svn changes
> since then.
> I don't pretend to understand what is involved, but sure would be nice to
> build with 2.6.2. Many people still use slightly older distros. Considering
> that "long-term support" for many distros is three years or more, Slackware
> 12.2 is only two years old. I should be able to build Trinity on Slackware
> 12.2 with a cmake version that is only two years old.

Unfortunately, right now is too later to change cmake scripts to be 
compatibile with older cmake versions. There are already over 1,300 
CMakeLists.txt files.

> Perhaps the root problem here is that tqtinterface no longer can be built
> with autoconf. I should be able to build Trinity entirely with autoconf on
> a slightly older distro.

I think that autotools should be keeped for a while, but is a pretty big 
effort to maintain two different build system. As you know, we haven't enough 
man power...

> How will updating cmake affect the final packages? That is, if I update the
> cmake package in Slackware 12.2, will that affect users who install the
> Trinity packages on 12.2, which was released with cmake 2.6.2?

End-users will not be affected by cmake in no way, because cmake is used only 
at build stage.

> Darrell